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Hitachi FDV16VB Manual
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Hitachi FDV16VB Manual

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1. PRECAUTINS IN DISASSEMBLY AND REASSEMBLY
The [Bold] numbers in the descriptions below correspond to the item numbers in the parts exploded
diagram of the FDV 16VB and the numbers in <Bold> to those in the parts exploded diagram of the
FDV 16T and the numbers in (Bold) to those in the parts exploded diagram of the FDV 16.
1-1. Disassembly
1-1-1. Removal of the Drill Chuck
(1) For keyless chuck (FDV 16VB only)
The Drill chuck [3] (keyless chuck) is fixed to the Spindle [4] with a UNF 1/2"-20 right-hand thread and
the Flat Hd. Screw (A) (Left hand) M6 x 25 [1]. First, open the jaws of the keyless chuck fully. Insert a
14 mm wrench into the wrench mounting portion of the Spindle [4] and turn the Flat Hd. Screw (A)
clockwise to remove it. Then, fit the hexagonal bar wrench for M10 into the keyless chuck and turn it
counterclockwise to loosen and remove the keyless chuck.
Drill Chuck [3]
Main body
(2) For conventional chuck (with chuck wrench) (FDV 16VB, FDV 16T, FDV 16)
The Drill Chuck [3] <2> (2) is fixed to the Spindle [4] <3> (3) with a UNF 3/8"-24 right-hand thread and Flat
HD. Screw (A) (Left hand) [1] (For FDV 16VB only). As shown in the figure below, fit a J-78 ring ass'y
(special repair tools, Code No.970817 and 970818 are recommended.) onto the Drill Chuck body, and
secure it in a vise. At this time, ensure that the pin of the ring ass'y is properly inserted into the chuck
wrench mounting hole of the chuck. Open the jaws of the Drill Chuck [3] fully and turn the Flat Hd.
Screw (A) [1] clockwise with a flat-blade screwdriver to remove it (For FDV 16VB only). Then, fit a
14 mm wrench to the flat surfaces on the Spindle, and rotate it counterclockwise to loosen and remove
the Drill Chuck.
14 mm wrench
J-78 ring ass'y
All manuals and user guides at all-guides.com
MODELS
FDV 16 VB / FDV 16T/ FDV 16
Wrench mounting portion of Spindle [4]
Wrench mounting
portion of Spindle
[4] <3> (3)
Vise
Hexagonal bar wrench for M10
Vise
14 mm wrench
Drill Chuck [3] <2> (2)
− 1 −

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Summary of Contents for Hitachi FDV16VB

  • Page 1 All manuals and user guides at all-guides.com MODELS FDV 16 VB / FDV 16T/ FDV 16 1. PRECAUTINS IN DISASSEMBLY AND REASSEMBLY The [Bold] numbers in the descriptions below correspond to the item numbers in the parts exploded diagram of the FDV 16VB and the numbers in <Bold> to those in the parts exploded diagram of the FDV 16T and the numbers in (Bold) to those in the parts exploded diagram of the FDV 16.
  • Page 2 All manuals and user guides at all-guides.com 1-1-2. Removal of Housing (B) of the Housing (A), (B) Set [18] <17> (17) (1) Cut the Label [29] with a cutter along the groove between the assembled Housing (A) and (B) Sets [18] (For FDV 16VB only).
  • Page 3 All manuals and user guides at all-guides.com 1-1-5. Disconnecting Internal Wires and Electrical Parts (1) Disconnect the internal wires from the switch as follows. Insert the J-86 pin into the hole for the internal wire of the Switch [25] <24> (24). Press the leaf spring so that the internal wire can be disconnected, then disconnect the Internal Wires [23] [24] [26] [27] [35] [36], <31>...
  • Page 4 All manuals and user guides at all-guides.com 123.8 -0.3 Ball Bearing 626VVMC2ERPS2LS [17] <16> (16) Ball Bearing 608VVMC2EPS2L [14] <13> (13) Stepped portion of shaft Armature [15] <14> (14) 1-2-2. Reassembly of the Holder (1) When installing the Change Plate [11] <10> (10) and Spring (A) [12] <11> (11) to the Holder [13] <12> (12), be careful of the direction of each part.
  • Page 5 All manuals and user guides at all-guides.com 1-3. Lubrication (1) Apply ATTOLUB MS No.2 (Code No.309922) to the following. Holder [13] <12> (12): Ratchet............1 g Gear [8] <7> (7): Teeth ............2 g Ratchet............0.5 g Spindle [4] <3> (3): Needle bearing contacting portion ...
  • Page 6 All manuals and user guides at all-guides.com 1-5-1. Model FDV 16VB Wiring and Schematic Diagrams The symbols 1, 2, 3 and ↑ in the diagrams correspond to switch terminal figures. (1) For Models with Noise Suppressor and Choke Coils Internal Wire [36] Internal Wire [26] (Red) (Black)
  • Page 7 All manuals and user guides at all-guides.com (2) For Models with a Noise Suppressor and without Choke Coils Internal Wire [26] Internal Wire [36] (Black) (Red) Noise Suppressor [37] Internal Wire [35] (Grey) Cord [34] Internal Wire [36] (Blue or White) (Red) Internal Wire [24] Internal Wire [35]...
  • Page 8 All manuals and user guides at all-guides.com (2) For Models without Noise Suppressor and Choke Coils Internal Wire [36] Internal Wire [26] (Black) (Red) Internal Wire [35] (Grey) Internal Wire [36] Cord [34] (Red) (Blue or White) Internal Wire [24] Internal Wire [35] (White) (Grey)
  • Page 9 All manuals and user guides at all-guides.com 1-5-2. Model FDV 16T Wiring and Schematic Diagrams The symbols 1, 2, 3 and ↑ in the diagrams correspond to switch terminal figures. (1) For Models with a Noise Suppressor Internal Wire <31> Internal Wire <22>...
  • Page 10 All manuals and user guides at all-guides.com (2) For Models without Noise Suppressor Internal Wire <31> Internal Wire <22> (Red) (Black) Internal Wire <23> Internal Wire <32> (White) (Grey) Stator lead wire mounting positions Internal Wire <32> (Viewed from commutator side) (Grey) Cord <30>...
  • Page 11 All manuals and user guides at all-guides.com 1-5-3. Model FDV 16 Wiring and Schematic Diagrams The symbols 1, 2, 3 and ↑ in the diagrams correspond to switch terminal figures. Internal Wire (32) Internal Wire (22) (Red) (Black) Internal Wire (23) Internal Wire (31) Noise Suppressor (33) Internal Wire (31)
  • Page 12 All manuals and user guides at all-guides.com 1-6. Insulation Tests On completion of disassembly and repair, measure the insulation resistance and dielectric strength. Insulation Resistance: 7MΩ or more with DC 500 V Megohm Tester Dielectric Strength: AC 4,000 V/1 minute, with no abnormalities ....220 V - 240 V (and 110 V for U.K. products) AC 2,500 V/1 minute, with no abnormalities ....110 V - 115 V (except U.K.

  • Page 13: Standard Repair Time (Unit) Schedules

    All manuals and user guides at all-guides.com 2. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow FDV 16VB General Assembly Housing (A) Housing (B) FDV 16T Spindle BB(6201VVCM) FDV 16 Gear Stator Armature Holder BB(608VVMC) Carbon Brush Switch Cord −...

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